203112553253013 has 16 divisors (see below), whose sum is σ = 301234915593600. Its totient is φ = 135261025653600.

The previous prime is 203112553252997. The next prime is 203112553253161. The reversal of 203112553253013 is 310352355211302.

203112553253013 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 1 + 25 + 5 + 325 + 301 + 3 = 666.

It is not a de Polignac number, because 203112553253013 - 2⁴ = 203112553252997 is a prime.

It is a super-3 number, since 3×203112553253013³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203112553252013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4092840888 + ... + 4092890513.

It is an arithmetic number, because the mean of its divisors is an integer number (18827182224600).

Almost surely, 2^{203112553253013} is an apocalyptic number.

It is an amenable number.

203112553253013 is a deficient number, since it is larger than the sum of its proper divisors (98122362340587).

203112553253013 is an equidigital number, since it uses as much as digits as its factorization.

203112553253013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8185732329 (or 8185732323 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 203112553253013 in words is "two hundred three trillion, one hundred twelve billion, five hundred fifty-three million, two hundred fifty-three thousand, thirteen".